Mercurial > jhg
annotate src/org/tmatesoft/hg/core/HgStatusCommand.java @ 643:a8ce405da1f5
v1.2 line of dev: update versions, use patch merge code by default
author | Artem Tikhomirov <tikhomirov.artem@gmail.com> |
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date | Wed, 19 Jun 2013 16:03:11 +0200 |
parents | 90df078d6418 |
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1 /* |
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2 * Copyright (c) 2011-2012 TMate Software Ltd |
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3 * |
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4 * This program is free software; you can redistribute it and/or modify |
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5 * it under the terms of the GNU General Public License as published by |
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6 * the Free Software Foundation; version 2 of the License. |
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7 * |
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8 * This program is distributed in the hope that it will be useful, |
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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11 * GNU General Public License for more details. |
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12 * |
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13 * For information on how to redistribute this software under |
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14 * the terms of a license other than GNU General Public License |
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15 * contact TMate Software at support@hg4j.com |
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16 */ |
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17 package org.tmatesoft.hg.core; |
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18 |
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19 import static org.tmatesoft.hg.core.HgStatus.Kind.*; |
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20 import static org.tmatesoft.hg.repo.HgInternals.wrongRevisionIndex; |
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21 import static org.tmatesoft.hg.repo.HgRepository.*; |
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22 |
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23 import java.io.IOException; |
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24 import java.util.ConcurrentModificationException; |
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25 |
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26 import org.tmatesoft.hg.internal.AdapterPlug; |
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27 import org.tmatesoft.hg.internal.ChangelogHelper; |
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28 import org.tmatesoft.hg.internal.Internals; |
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29 import org.tmatesoft.hg.repo.HgRepository; |
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30 import org.tmatesoft.hg.repo.HgRuntimeException; |
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31 import org.tmatesoft.hg.repo.HgStatusCollector; |
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32 import org.tmatesoft.hg.repo.HgStatusInspector; |
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33 import org.tmatesoft.hg.repo.HgWorkingCopyStatusCollector; |
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34 import org.tmatesoft.hg.util.Adaptable; |
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35 import org.tmatesoft.hg.util.CancelSupport; |
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36 import org.tmatesoft.hg.util.CancelledException; |
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37 import org.tmatesoft.hg.util.Path; |
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38 import org.tmatesoft.hg.util.Outcome; |
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39 |
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40 /** |
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41 * Command to obtain file status information, 'hg status' counterpart. |
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42 * |
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43 * @author Artem Tikhomirov |
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44 * @author TMate Software Ltd. |
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45 */ |
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46 public class HgStatusCommand extends HgAbstractCommand<HgStatusCommand> { |
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47 private final HgRepository repo; |
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48 |
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49 private int startRevision = TIP; |
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50 private int endRevision = WORKING_COPY; |
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51 private Path.Matcher scope; |
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52 |
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53 private final Mediator mediator = new Mediator(); |
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54 |
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55 public HgStatusCommand(HgRepository hgRepo) { |
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56 repo = hgRepo; |
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57 defaults(); |
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58 } |
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59 |
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60 public HgStatusCommand defaults() { |
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61 final Mediator m = mediator; |
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62 m.needModified = m.needAdded = m.needRemoved = m.needUnknown = m.needMissing = true; |
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63 m.needCopies = m.needClean = m.needIgnored = false; |
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64 return this; |
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65 } |
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66 public HgStatusCommand all() { |
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67 final Mediator m = mediator; |
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68 m.needModified = m.needAdded = m.needRemoved = m.needUnknown = m.needMissing = true; |
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69 m.needCopies = m.needClean = m.needIgnored = true; |
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70 return this; |
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71 } |
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72 |
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73 |
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74 public HgStatusCommand modified(boolean include) { |
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75 mediator.needModified = include; |
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76 return this; |
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77 } |
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78 public HgStatusCommand added(boolean include) { |
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79 mediator.needAdded = include; |
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80 return this; |
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81 } |
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82 public HgStatusCommand removed(boolean include) { |
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83 mediator.needRemoved = include; |
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84 return this; |
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85 } |
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86 public HgStatusCommand deleted(boolean include) { |
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87 mediator.needMissing = include; |
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88 return this; |
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89 } |
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90 public HgStatusCommand unknown(boolean include) { |
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91 mediator.needUnknown = include; |
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92 return this; |
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93 } |
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94 public HgStatusCommand clean(boolean include) { |
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95 mediator.needClean = include; |
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96 return this; |
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97 } |
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98 public HgStatusCommand ignored(boolean include) { |
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99 mediator.needIgnored = include; |
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100 return this; |
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101 } |
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102 |
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103 /** |
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104 * If set, either base:revision or base:workingdir |
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105 * to unset, pass {@link HgRepository#TIP} or {@link HgRepository#BAD_REVISION} |
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106 * @param changesetRevisionIndex - local index of a changeset to base status from |
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107 * @return <code>this</code> for convenience |
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108 * @throws IllegalArgumentException when revision is negative or {@link HgRepository#WORKING_COPY} |
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109 */ |
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110 public HgStatusCommand base(int changesetRevisionIndex) { |
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111 if (changesetRevisionIndex == WORKING_COPY || wrongRevisionIndex(changesetRevisionIndex)) { |
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112 throw new IllegalArgumentException(String.valueOf(changesetRevisionIndex)); |
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113 } |
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114 if (changesetRevisionIndex == BAD_REVISION) { |
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115 changesetRevisionIndex = TIP; |
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116 } |
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117 startRevision = changesetRevisionIndex; |
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118 return this; |
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119 } |
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120 |
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121 /** |
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122 * Revision without base == --change |
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123 * Pass {@link HgRepository#WORKING_COPY} or {@link HgRepository#BAD_REVISION} to reset |
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124 * @param changesetRevisionIndex - non-negative changeset revision local index, or any of {@link HgRepository#BAD_REVISION}, {@link HgRepository#WORKING_COPY} or {@link HgRepository#TIP} |
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125 * @return <code>this</code> for convenience |
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126 * @throws IllegalArgumentException if revision index doesn't specify legitimate revision. |
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127 */ |
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128 public HgStatusCommand revision(int changesetRevisionIndex) { |
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129 if (changesetRevisionIndex == BAD_REVISION) { |
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130 changesetRevisionIndex = WORKING_COPY; |
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131 } |
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132 if (wrongRevisionIndex(changesetRevisionIndex)) { |
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133 throw new IllegalArgumentException(String.valueOf(changesetRevisionIndex)); |
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134 } |
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135 endRevision = changesetRevisionIndex; |
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136 return this; |
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137 } |
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138 |
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139 /** |
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140 * Shorthand for {@link #base(int) cmd.base(BAD_REVISION)}{@link #change(int) .revision(revision)} |
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141 * |
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142 * @param changesetRevisionIndex compare given revision against its parent |
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143 * @return <code>this</code> for convenience |
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144 */ |
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145 public HgStatusCommand change(int changesetRevisionIndex) { |
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146 base(BAD_REVISION); |
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147 return revision(changesetRevisionIndex); |
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148 } |
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149 |
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150 /** |
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151 * Limit status operation to certain sub-tree. |
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152 * |
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153 * @param scopeMatcher - matcher to use, pass <code>null/<code> to reset |
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154 * @return <code>this</code> for convenience |
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155 */ |
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156 public HgStatusCommand match(Path.Matcher scopeMatcher) { |
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157 scope = scopeMatcher; |
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158 return this; |
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159 } |
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160 |
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161 public HgStatusCommand subrepo(boolean visit) { |
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162 throw Internals.notImplemented(); |
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163 } |
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164 |
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165 /** |
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166 * Perform status operation according to parameters set. |
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167 * |
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168 * @param statusHandler callback to get status information |
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169 * @throws HgCallbackTargetException propagated exception from the handler |
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170 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state |
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171 * @throws IOException if there are (further unspecified) errors while walking working copy |
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172 * @throws CancelledException if execution of the command was cancelled |
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173 * @throws IllegalArgumentException if handler is <code>null</code> |
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174 * @throws ConcurrentModificationException if this command already runs (i.e. being used from another thread) |
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175 */ |
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176 public void execute(HgStatusHandler statusHandler) throws HgCallbackTargetException, HgException, IOException, CancelledException { |
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177 if (statusHandler == null) { |
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178 throw new IllegalArgumentException(); |
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179 } |
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180 if (mediator.busy()) { |
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181 throw new ConcurrentModificationException(); |
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182 } |
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183 HgStatusCollector sc = new HgStatusCollector(repo); // TODO from CommandContext |
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184 // PathPool pathHelper = new PathPool(repo.getPathHelper()); // TODO from CommandContext |
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185 try { |
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186 // XXX if I need a rough estimation (for ProgressMonitor) of number of work units, |
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187 // I may use number of files in either rev1 or rev2 manifest edition |
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188 mediator.start(statusHandler, getCancelSupport(statusHandler, true), new ChangelogHelper(repo, startRevision)); |
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189 if (endRevision == WORKING_COPY) { |
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190 HgWorkingCopyStatusCollector wcsc = scope != null ? HgWorkingCopyStatusCollector.create(repo, scope) : new HgWorkingCopyStatusCollector(repo); |
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191 wcsc.setBaseRevisionCollector(sc); |
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192 wcsc.walk(startRevision, mediator); |
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193 } else { |
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194 sc.setScope(scope); // explicitly set, even if null - would be handy once we reuse StatusCollector |
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195 if (startRevision == TIP) { |
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196 sc.change(endRevision, mediator); |
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197 } else { |
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198 sc.walk(startRevision, endRevision, mediator); |
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199 } |
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200 } |
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201 mediator.checkFailure(); |
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202 } catch (HgRuntimeException ex) { |
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203 throw new HgLibraryFailureException(ex); |
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204 } finally { |
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205 mediator.done(); |
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206 } |
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207 } |
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208 |
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209 private class Mediator extends AdapterPlug implements HgStatusInspector, Adaptable { |
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210 boolean needModified; |
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211 boolean needAdded; |
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212 boolean needRemoved; |
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213 boolean needUnknown; |
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214 boolean needMissing; |
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215 boolean needClean; |
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216 boolean needIgnored; |
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217 boolean needCopies; |
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218 HgStatusHandler handler; |
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219 private ChangelogHelper logHelper; |
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220 private HgCallbackTargetException failure; |
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221 |
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222 Mediator() { |
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223 } |
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224 |
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225 public void start(HgStatusHandler h, CancelSupport hcs, ChangelogHelper changelogHelper) { |
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226 handler = h; |
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227 super.attachAdapter(CancelSupport.class, hcs); |
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228 logHelper = changelogHelper; |
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229 } |
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230 |
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231 public void done() { |
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232 handler = null; |
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233 super.detachAdapter(CancelSupport.class); |
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234 logHelper = null; |
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235 failure = null; |
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236 } |
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237 |
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238 public boolean busy() { |
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239 return handler != null; |
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240 } |
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241 |
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242 // XXX similar code in ChangesetTransformer |
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243 public void checkFailure() throws HgCallbackTargetException { |
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244 // do not forget to clear exceptions for reuse of this instance |
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245 if (failure != null) { |
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246 HgCallbackTargetException toThrow = failure; |
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247 failure = null; |
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248 throw toThrow; |
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249 } |
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250 } |
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251 |
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252 private void dispatch(HgStatus s) { |
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253 try { |
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254 handler.status(s); |
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255 } catch (HgCallbackTargetException ex) { |
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256 failure = ex; |
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257 } |
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258 } |
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259 |
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260 public void modified(Path fname) { |
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261 if (needModified) { |
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262 dispatch(new HgStatus(Modified, fname, logHelper)); |
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263 } |
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264 } |
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265 public void added(Path fname) { |
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266 if (needAdded) { |
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267 dispatch(new HgStatus(Added, fname, logHelper)); |
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268 } |
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269 } |
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270 public void removed(Path fname) { |
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271 if (needRemoved) { |
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272 dispatch(new HgStatus(Removed, fname, logHelper)); |
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273 } |
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274 } |
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275 public void copied(Path fnameOrigin, Path fnameAdded) { |
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276 if (needCopies) { |
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277 // TODO post-1.0 in fact, merged files may report 'copied from' as well, correct status kind thus may differ from Added |
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278 dispatch(new HgStatus(Added, fnameAdded, fnameOrigin, logHelper)); |
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279 } |
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280 } |
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281 public void missing(Path fname) { |
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282 if (needMissing) { |
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283 dispatch(new HgStatus(Missing, fname, logHelper)); |
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284 } |
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285 } |
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286 public void unknown(Path fname) { |
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287 if (needUnknown) { |
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288 dispatch(new HgStatus(Unknown, fname, logHelper)); |
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289 } |
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290 } |
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291 public void clean(Path fname) { |
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292 if (needClean) { |
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293 dispatch(new HgStatus(Clean, fname, logHelper)); |
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294 } |
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295 } |
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296 public void ignored(Path fname) { |
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297 if (needIgnored) { |
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298 dispatch(new HgStatus(Ignored, fname, logHelper)); |
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299 } |
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300 } |
360
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301 |
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302 public void invalid(Path fname, Exception err) { |
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303 try { |
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304 handler.error(fname, new Outcome(Outcome.Kind.Failure, "Failed to get file status", err)); |
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305 } catch (HgCallbackTargetException ex) { |
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
419
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306 failure = ex; |
9c9c442b5f2e
Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
419
diff
changeset
|
307 } |
360
150500515714
Report non-critical errors during status operation to handler/inspector
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
350
diff
changeset
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308 } |
64
19e9e220bf68
Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
309 } |
19e9e220bf68
Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
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310 } |